Boring or penetrating the earth – Automatic control – Of boring means including a below-ground drive prime mover
Patent
1988-10-21
1989-08-15
Massie, IV, Jerome W.
Boring or penetrating the earth
Automatic control
Of boring means including a below-ground drive prime mover
175 45, 175 61, 175 62, 175 67, 175162, E21B 708, E21B 4400
Patent
active
048566004
ABSTRACT:
A technique for providing a continuous underground tunnel between first and second spaced-apart points and for installing new cable, pipe or conduit is disclosed herein. This technique utilizes a boring device including means for boring through soil and a thrust conduit which pushes the boring device through the soil from a first starting point to a second end point as the device bores through the soil, whereby to form a tunnel between the two points. Thereafter, the cable to be installed within the tunnel is attached to the front end of the boring device and the latter is pulled back through the tunnel to its starting point by means of the thrust cable, thereby automatically pulling the new cable in place.
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Baker Glen
Chau Albert W.
Fikse James A.
Mercer John E.
FlowMole Corporation
Massie IV Jerome W.
Melius Terry Lee
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